The clicgear xl cup holder is designed to handle bottles up to 48 fl oz 15 litres and fits all the clicgear model 10 model 20 model 30 model 35 plus and rovic carts this gigantic cup holder is easily removable thanks to the clicgear accessory tab system and comes with the clicgear accessory tab mount ensuring easy installation in addition it also fits other brand name push carts with 1 25cm tubing